We had not been able to gain admittance to the flat.我们未能获准进入公寓。Hundreds of people were unable to gain admittance to the hall.数以百计的人未能获准进入大厅。Song Liping discloses, current, the admittance doorsill of investor is among arg...
A crawler, device of girth welds testing outside pipeline is developed successfully.成功地研制了管道外检测机械装置—爬行器.The pool is divided into three sections with a crawler lane for beginners.泳池分三部分，有为初学者而设的慢泳道。The Google crawler does...
If such materials became generally available to the optics industry the payoffs from such a breakthrough would be enormous.如果这些材料能够普遍用于光学产业，那么这一突破带来的收益将非常巨大。This part of the subject is called physical optics.这部分内容叫做物理光学....